assume cs:codesg,ss:stacksg,ds:datasg
stacksg segment
dw 0,0,0,0,0,0,0,0
stacksg ends
datasg segment
db '1. display '//到16字节
db '2. brows '//到16字节
db '3. replace '//同上
db '4. modify '//同上
datasg ends
codesg segment
start:????????????????????????????????????????????????????
codesg ends
end start
完成7.9程序
mov ax,stacksg
mov ss,ax
mov sp,16
mov ax,datasg
mov ds,ax
mov bx,3
mov cx,4
s0:push cx
mov si,0
mov cx,4
s:mov al,[bx+si]
and al,11011111
mov [bx+si],al
inc si
loop s
add bx,16
pop cx
loop s0
mov ax,4c00h
int 21h